Schaeffler Product catalogue - medias
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YRTSM260


Axial/radial bearings

double direction, screw mounting, for higher speeds, with integrated angular measuring system

  
Have you also thought about mounting? You can find further information here on mounting of the selected types. Alternatively, contact one of our Engineering Offices for further assistance.
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Radial loadAxial load in one directionAxial load in two directionsMoments about all axesNot sealedGrease lubrication
Hole pattern
2 retaining screws (1)
 
d 260  mm  Tolerance: 0/-0,018
D 385  mm  Tolerance: 0/-0,02
H 55  mm   
  34  Number of fixing holes in inner ring
Attention!
For fixing holes in the adjacent construction.
Note the pitch of the bearing holes.
  33  Number of fixing holes in outer ring
Attention!
For fixing holes in the adjacent construction.
Note the pitch of the bearing holes.
    The measuring head cannot be mounted between the fixing holes or the heads of the fixing screws. Two holes for fixing screws therefore remain unused in the bearing outer ring.
  2  Number of retaining screws
  3  Number of extraction threads
a 8,2  mm  Fixing holes in inner ring
C 18  mm   
D1 max 347  mm  Diameter of inner ring for design of adjacent construction
DM 343,69  mm  Diameter of dimensional scale on shaft locating washer
d1 9,3  mm  Fixing holes in inner ring
d2 15  mm  Fixing holes in inner ring
d3 9,3  mm  Fixing holes in outer ring
G M12  Extraction thread
H1 36,5  mm   
H2 18,5  mm   
HM 13,5  mm   
J 280  mm  Fixing holes in inner ring
J1 365  mm  Fixing holes in outer ring
t 36 x 10°  Pitch t
Including retaining screws and extraction threads

Quantity X t
m 18,3  kg  ≈ Mass
MA 34  Nm  Screw tightening torque

Tightening torque for screws to DIN EN ISO 4762, grade 10.9.
Ca 173000  N  Basic dynamic load rating, axial
C0a 1050000  N  Basic static load rating, axial
Cr 110000  N  Basic dynamic load rating, radial
C0r 305000  N  Basic static load rating, radial
Cur 40000  N  Fatigue limit load, radial
Cua 107000  N  Fatigue limit load, axial
nG 910  1/min  Limiting speed for electronic limiting speed and bearing
nRef 25  1/min  Limiting speed for reference travel
caL 5400  N/µm  Axial rigidity of bearing position
Rigidity values taking account of the rolling element set, rigidity of the bearing rings and the screw connections.
crL 1600  N/µm  Radial rigidity of bearing position
Rigidity values taking account of the rolling element set, rigidity of the bearing rings and the screw connections.
ckL 67000  Nm/mrad  Tilting rigidity of the bearing position
Rigidity values taking account of the rolling element set, rigidity of the bearing rings and the screw connections.
caL 16800  N/µm  Axial rigidity of rolling element set
crL 5800  N/µm  Radial rigidity of rolling element set
ckL 201000  Nm/mrad  Tilting rigidity of rolling element set
Mm 2074  kg * cm^2  Mass moment of inertia for rotating inner ring IR
Mm 1422  kg * cm^2  Mass moment of inertia for rotating outer ring AU
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